. >>> president obama takes the oath of office monday on a bible that belonged to abraham lincoln and one that belonged to martin luther king jr. it takes place on the holiday honoring the reverend king. after the symbolism, the ceremonies, celebrations and of course the president beginning a second term facing some challenges from the first four years. joining us, atlanta's mayor talking about what's ahead. you are one of the insiders now. anything, you put in the time, the work, were you in iowa, across the country. anything that you learned about the president that surprised you? >> that surprised me? no. he was as tough as i thought, and i think that -- i think he was going to do what was necessary to win, and i think that he wants to be president. very much. i think he loves being president. >> what gives you that impression? >> because i know how tough this campaign was, and i know that there were moments in the campaign where if he did not really want this job, he could have fallen apart, and he was central to holding the campaign together during very tough times. >> looking fo